package cn.bone.motan.config;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Service;

/**
 * Created by MD-01 on 2017/3/10.
 */
@Service
public class SpringFactory implements ApplicationContextAware {

    private static ApplicationContext context;
    private static Logger logger = LoggerFactory.getLogger("spring工厂");

    @Override
    public void setApplicationContext(ApplicationContext applicationContext)
            throws BeansException {
        if(context==null){
            context = applicationContext;
            logger.info("初始化");
        }
    }
    //获取applicationContext
    public static ApplicationContext getApplicationContext() {
        return context;
    }


    /**
     *  通过name获取Bean
     */
    public static Object getBean(String name){
        logger.info("通过name获取bean,name:"+name);
        return getApplicationContext().getBean(name);
    }

    /**
     * 通过class获取Bean
     */
    public static <T> T getBean(Class<T> clazz){
        logger.info("通过class获取bean,class:"+clazz.getName());
        return getApplicationContext().getBean(clazz);
    }

    /**
     *  通过name,以及Clazz返回指定的Bean
     */
    public static <T> T getBean(String name,Class<T> clazz){

        logger.info("通过class和name来获取bean.name:"+name+",calss:"+clazz);
        return getApplicationContext().getBean(name, clazz);
    }
}
